Sway Calloway

Barack Obama continues to avoid press conferences in favor of protective liberal softball venues. He's appearing on NBC with Jay Leno and with Brian Williams. (Quiz: which interviewer will be softer? It's anybody's guess.) On Friday, Obama's doing another razzle-dazzle appearance on MTV with black veejay Sway Calloway. They're calling it “Ask Obama Live: An MTV Interview With the President”…